Jeremiah 52:6-7

6In the fourth month, on the ninth day of the month, the famine was so severe in the city that there was no food for the people of the land.

7Then the city was broken into, and all the soldiers fled. They left the city at night [as Ezekiel prophesied] passing through the gate between the two walls by the king’s garden, though the Chaldeans were all around the city. They fled by way of the Arabah (the Jordan Valley).